r244487 - /trunk/gcc/ChangeLog

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Jan 16 09:33:12 2017
New Revision: 244487

URL: https://gcc.gnu.org/viewcvs?rev=244487&root=gcc&view=rev
Log:
2017-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77283
	* gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
	and ssa-iterators.h.
	(is_feasible_trace): Implement a cost model based on joiner
	PHI node uses.

	* gcc.dg/tree-ssa/split-path-7.c: Adjust.
	* gcc.dg/tree-ssa/split-path-8.c: New testcase.
	* gcc.dg/tree-ssa/split-path-9.c: Likewise.

Modified:
    trunk/gcc/ChangeLog